Home / 2,159,153.40-3,238,730.10-663,245.40

Finding the Fourth Proportional to 2,159,153.40, 3,238,730.10 and 663,245.40

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Solution

The fourth proportional to 2,159,153.40, 3,238,730.10 and 663,245.40 is: 994,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,153.40 : 3,238,730.10 = 663,245.40 : x
  2. Step 2: Convert to fraction form
    2,159,153.40/3,238,730.10 = 663,245.40/x
  3. Step 3: Cross multiply
    2,159,153.40x = 3,238,730.10 × 663,245.40
  4. Step 4: Simplify right side
    2,159,153.40x = 2,148,072,840,666.54
  5. Step 5: Solve for x
    x = 2,148,072,840,666.54/2,159,153.40
  6. Step 6: Final answer
    x = 994,868.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.